Hi,im 26,5ft8 15 stone...no medical history other than usual coughs and colds ,I have a lump halfway up right side of my neck,feels like half a golf ball just sat there,the pain feels like a muscular aching and i have noticed fatigue and tiredness but im not sure if thats just coincedence....no other noted symptoms such as sore throats or swollen glands,problems swallowing etc...